/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/Party/SocialParty.h
virtual void RemoveLocalMember ( const [FUniqueNetIdRepl](API\Runtime\Engine\GameFramework\FUniqueNetIdRepl) & LocalUserId, const [FOnLeavePartyAttemptComplete](API\Plugins\Party\Party\USocialParty\FOnLeavePartyAttemptComplete) & OnLeaveAttemptComplete )